1659356160 has 704 divisors, whose sum is σ = 7017836544. Its totient is φ = 324403200.

The previous prime is 1659356143. The next prime is 1659356161. The reversal of 1659356160 is 616539561.

It is a tau number, because it is divible by the number of its divisors (704).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1659356161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27202530 + ... + 27202590.

Almost surely, 2^1659356160 is an apocalyptic number.

1659356160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1659356160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3508918272).

1659356160 is an abundant number, since it is smaller than the sum of its proper divisors (5358480384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1659356160 is a wasteful number, since it uses less digits than its factorization.

1659356160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 1659356160 is about 40735.1955930004. The cubic root of 1659356160 is about 1183.8950479165.

The spelling of 1659356160 in words is "one billion, six hundred fifty-nine million, three hundred fifty-six thousand, one hundred sixty".